This segment of the Danish Ingolf Expedition focuses on crustaceans from the Arctic, particularly the amphipod species Unciola petalocera. It provides detailed anatomical descriptions and the species' distribution in the region of Baffin Bay.
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. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. 38 CRUSTACEA MALACOSTRACA VIII (AMPHIPODA IV) 4 or 5 joints, + minute apical joint; shape of epimeral plates (see fig. 26); uropods 1-2, rami about half as long as peduncle; uropod 3, inner ramus articulate, shorter and narrower than outer, apically with 2-3 short spines. Distribution. Baffin Bay 71°10' N, 58°56'W, 375 m, clay (type-locality; H. J. Hansen 1. c). 347. Unciola petalocera (G. 0. Sars) (Fig. 28; Chart VI). Unciola petalocera G. 0. Sars, Crust., I, Norske Nordhavs-Exp., 1885, p. 212, pi. 17 fig. 5. Unciola petalocera Stebbiug, Tierreich, vol. 21, 1906, p. 681. Occurrence: 65°34' N, 7°31' W, 1435 m, ~ 0°8. "Ingolf" St. 105: ll-VII-1896. 1 26 joints (apex probably lost); accessory flagellum a trifle longer than the two first joints of flagellum, has 3 joints + the minute apical joint (Sars: "two-jointed"). Antenna 2, only the 3 proximal joints are preserved. Oral parts were not dissected out. Epimeral plates, each has on lower hind corner a tooth with a sinus above; both tooth and notch are. Fig. 27. Unciola crassipes $. "Ingolf" St. 35.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Danish Ingolf-Expedition (1895-1896); Københavns universitet. Zoologisk museum. Copenhagen H. Hagerup
